Home / 884,063.24-1,220,108.39-491,635.35

Finding the Fourth Proportional to 884,063.24, 1,220,108.39 and 491,635.35

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Solution

The fourth proportional to 884,063.24, 1,220,108.39 and 491,635.35 is: 678,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,063.24 : 1,220,108.39 = 491,635.35 : x
  2. Step 2: Convert to fraction form
    884,063.24/1,220,108.39 = 491,635.35/x
  3. Step 3: Cross multiply
    884,063.24x = 1,220,108.39 × 491,635.35
  4. Step 4: Simplify right side
    884,063.24x = 599,848,415,355.59
  5. Step 5: Solve for x
    x = 599,848,415,355.59/884,063.24
  6. Step 6: Final answer
    x = 678,513.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.